Shoe upper



FIG. 1 is a lateral side view of a shoe upper;

FIG. 2 is a top perspective view of the shoe upper from the lateral side; and,

FIG. 3 is a rear perspective view of the shoe upper from the lateral side.

Longer broken lines shown in the drawings of the shoe upper represent stitching and form no part of the claimed design. Shorter broken lines shown in the drawings of the shoe upper illustrate the environment of the claimed design and also form no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 